/**
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.wicketTutorial.treegrid;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree;
import org.apache.wicket.extensions.markup.html.repeater.tree.theme.HumanTheme;
import org.apache.wicket.extensions.markup.html.repeater.tree.theme.WindowsTheme;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.FormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.wicketTutorial.treegrid.content.BookmarkableFolderContent;
import org.wicketTutorial.treegrid.content.CheckedFolderContent;
import org.wicketTutorial.treegrid.content.CheckedSelectableFolderContent;
import org.wicketTutorial.treegrid.content.Content;
import org.wicketTutorial.treegrid.content.EditableFolderContent;
import org.wicketTutorial.treegrid.content.FolderContent;
import org.wicketTutorial.treegrid.content.LabelContent;
import org.wicketTutorial.treegrid.content.MixedContent;
import org.wicketTutorial.treegrid.content.MultiLineLabelContent;
import org.wicketTutorial.treegrid.content.MultiSelectableFolderContent;
import org.wicketTutorial.treegrid.content.PanelContent;
import org.wicketTutorial.treegrid.content.SelectableFolderContent;

/**
 * @author Sven Meier
 */
public abstract class AdvancedTreePage extends AbstractTreePage {

    private static final long serialVersionUID = 1L;

    private Behavior theme;

    private AbstractTree<Foo> tree;

    private FooProvider provider = new FooProvider();

    private Content content;

    private List<Content> contents;

    private List<Behavior> themes;

    /**
     * Construct.
     */
    public AdvancedTreePage() {
        content = new CheckedFolderContent(provider);

        Form<Void> form = new Form<>("form");
        add(form);

        tree = createTree(provider, new FooExpansionModel());
        tree.add(new Behavior() {
            private static final long serialVersionUID = 1L;

            @Override
            public void onComponentTag(Component component, ComponentTag tag) {
                theme.onComponentTag(component, tag);
            }

            @Override
            public void renderHead(Component component, IHeaderResponse response) {
                theme.renderHead(component, response);
            }
        });
        form.add(tree);

        form.add(new DropDownChoice<Content>("content", new PropertyModel<>(this, "content"),
                initContents(), new ChoiceRenderer<>("class.simpleName")).add(new FormComponentUpdatingBehavior()));

        form.add(new DropDownChoice<Behavior>("theme", new PropertyModel<>(this, "theme"),
                initThemes(), new ChoiceRenderer<>("class.simpleName")).add(new FormComponentUpdatingBehavior()));

        form.add(new Link<Void>("expandAll") {
            public void onClick() {
                FooExpansion.get().expandAll();
            }
        });

        form.add(new Link<Void>("collapseAll") {
            public void onClick() {
                FooExpansion.get().collapseAll();
            }
        });

        form.add(new Button("submit") {
            @Override
            public void onSubmit() {
            }
        });
    }

    protected abstract AbstractTree<Foo> createTree(FooProvider provider, IModel<Set<Foo>> state);

    private List<Content> initContents() {
        contents = new ArrayList<>();

        contents.add(new BookmarkableFolderContent(tree));
        contents.add(new LabelContent());
        contents.add(new MultiLineLabelContent());
        contents.add(new FolderContent());
        contents.add(new EditableFolderContent());
        contents.add(new SelectableFolderContent(provider));
        contents.add(new MultiSelectableFolderContent(provider));
        contents.add(new CheckedFolderContent(provider));
        contents.add(new CheckedSelectableFolderContent(provider));
        contents.add(new PanelContent());
        contents.add(new MixedContent(contents));

        content = contents.get(0);

        return contents;
    }

    private List<Behavior> initThemes() {
        themes = new ArrayList<>();

        themes.add(new WindowsTheme());
        themes.add(new HumanTheme());

        theme = themes.get(0);

        return themes;
    }

    @Override
    public void detachModels() {
        for (Content content : contents) {
            content.detach();
        }

        super.detachModels();
    }

    protected Component newContentComponent(String id, IModel<Foo> model) {
        return content.newContentComponent(id, tree, model);
    }

    private class FooExpansionModel implements IModel<Set<Foo>> {
        @Override
        public Set<Foo> getObject() {
            return FooExpansion.get();
        }
    }
}
